The network diagram is a scheduling format to simplify complex projects.  It consolidates many activities into a logical work streams to streamline the project management process.  This process is ideal for complex construction projects connecting related activities and developing a cohesive work stream.  The result was the schedule became consumable by all stakeholders on the project.  The network diagram consolidates the project activities by 40% to 50% into logical steps.  This, effectively, simplifies the project allowing the project team to quickly identify the activities that are behind schedule and develop a corrective action plan. Simply build your schedule in the Bar Chart and organize it in the Network Diagram to show project stake holders how you are building your project.